Here are the numbers I have found on it... T10-1B (cast iron) WG DIV Q1 F15-1 Tail is... T10-7B (Aliminum) 8-24-1961 Is this out of a early Corvette or a passenger car?
Without photos and dimensions of the input shaft, it could also have been from a 1961-62 Studebaker Hawk. jack vines
http://www.crankshaftcoalition.com/wiki/Transmission_identification#T-10 http://www.pontiacpower.org/BW.htm